Home / 131,906.80-197,887.88-43,153.44

Finding the Fourth Proportional to 131,906.80, 197,887.88 and 43,153.44

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Solution

The fourth proportional to 131,906.80, 197,887.88 and 43,153.44 is: 64,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,906.80 : 197,887.88 = 43,153.44 : x
  2. Step 2: Convert to fraction form
    131,906.80/197,887.88 = 43,153.44/x
  3. Step 3: Cross multiply
    131,906.80x = 197,887.88 × 43,153.44
  4. Step 4: Simplify right side
    131,906.80x = 8,539,542,756.31
  5. Step 5: Solve for x
    x = 8,539,542,756.31/131,906.80
  6. Step 6: Final answer
    x = 64,739.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.